-4-4y=-21

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Solution for -4-4y=-21 equation: 


Simplifying
-4 + -4y = -21

Solving
-4 + -4y = -21

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '4' to each side of the equation.
-4 + 4 + -4y = -21 + 4

Combine like terms: -4 + 4 = 0
0 + -4y = -21 + 4
-4y = -21 + 4

Combine like terms: -21 + 4 = -17
-4y = -17

Divide each side by '-4'.
y = 4.25

Simplifying
y = 4.25

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